Stability of air-entrainment with PCE-superplasticizers

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Abstract

Air content is an extremely important aspect of today’s concrete performance and durability characteristics. Lately in Finland, elevated air contents (>15%) have been observed from the samples drilled from structures. The high air contents have caused deficiencies in the compressive strength of concrete structures. One of the main factors affecting the stability of air content in concrete is the use of combination of Air-Entraining Agent (AEA) and Polycarboxylate Ether (PCE)–superplasticizers admixtures. This study is a part of research project, which investigate the stability of air-entrainment in concrete using different types of PCE-SP, AEA and concrete mix designs. The aim of the project is to achieve a stabile protective pore system for concrete.

Details

Original languageEnglish
Title of host publicationProceedings of the XXIII Nordic Concrete Research Symposium
EditorsMarianne Tange Hasholt
Publication statusPublished - 2017
MoE publication typeA4 Article in a conference publication
EventSymposium on Nordic Concrete Research & Developement - Aalborg, Denmark, Aalborg, Denmark
Duration: 21 Aug 201723 Aug 2017
Conference number: 23
https://nordicconcrete.net/events/symposium/

Publication series

NameNordic concrete research
PublisherNorsk betongforening
ISSN (Print)0800-6377

Conference

ConferenceSymposium on Nordic Concrete Research & Developement
CountryDenmark
CityAalborg
Period21/08/201723/08/2017
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    Research areas

  • air content , superplasticizer, air-entraining, admixtures, cement, mix design

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